Question # 1

Whcih of the following has double covalent bound.

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Br2

CO2

HCl

N2

Atomic number of element presetnin period 2 and group 15 of the periodic table.

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4

5

6

7

Aerobic respiation takes place in.

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Mitochondria

Chloroplast

Nucleus

Blood vessels

The energy that transfers from one object to another due to the emperature differce is called.

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Atomic energy

Heat Energy

Light Energy

Sound Energy

Chemical bond teh forms between metallic and non-metallic atoms.

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Covalent

Ionic

Metalic

None of these

The main function of ......... tissue is to store food in plants.

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Xylem

Stometa

Phloem

Parenchyma

In virus,..... is used to identify the host cell.

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Genome

Coat

Spike

Capsid

Strength of solution depends on the amount of.

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Solute

Solvent

Pressure

Temperature

A molecule consists of two or more

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Compounds

Atoms

Formulae

Element

Which artery supply blood to the heart

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Pulmonary artery

Hepatic artery

Coronary Artery

Aorta

A substance that speed up the chemical reactions is called.

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Solute

Solvent

Solution

Catalyst

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